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28th Annual CHI Conference on Human Factors in Computing Systems

作者： Shami, N. Sadat Hancock, Jeffrey T. Peter, Christian Muller, Michael Mandryk, Regan Information Science Program Cornell University 301 College Ave Ithaca NY 14850 United States Fraunhofer Institute for Computer Graphics Joachim Jungius Str. 11 18059 Rostock Germany Collaborative User Experience IBM TJ Watson Research Center 1 Rogers St. Cambridge MA 02142 United States Department of Computer Science University of Saskatchewan 176 Thorvaldson Building 110 Science Place Saskatoon SK S7N 5C9 Canada

The measurement of affect in HCI research is a challenging and complex issue. Although a number of techniques for measuring affect have been developed, a systematic discussion of their effectiveness and applicability in different contexts remains lacking, especially in social contexts with multiple users. As computing shifts to increasingly collaborative and ubiquitous models, it is important to discuss affect measurement beyond the individual level. This workshop will provide a forum where designers, practitioners, and researchers can 1) introduce novel methods of affect measurement that go beyond physiological and self-report measures, 2) advance our understanding of existing measurement methods and how they can be expanded, and 3) critically evaluate issues of affect measurement.

关键词： Ubiquitous computing

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Parallel vectors criteria for unsteady flow vertices

Parallel vectors criteria for unsteady flow vertices

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作者： Fuchs, Raphael Peikert, Ronald Hauser, Helwig Sadlo, Filip Muigg, Philipp IEEE Institute of Computer Graphics and Algorithms Vienna University of Technology Favoritenstrasse 9-11/E186 A-1040 Wien Austria Institute of Computational Science ETH Zentrum IFW C27.2 Haldeneggsteig 4 CH-8092 Zürich Switzerland Department of Informatics University of Bergen Postboks 7803 N-5020 Bergen Norway VRVis Research Center TechGate Vienna Donau-City-Strasse 1 A-1220 Wien Austria

Feature-based flow visualization is naturally dependent on feature extraction. To extract flow features, often higher-order properties of the flow data are used such as the Jacobian or curvature properties, implicitly describing the flow features in terms of their inherent flow characteristics (e.g., collinear flow and vorticity vectors). In this paper we present recent research which leads to the (not really surprising) conclusion that feature extraction algorithms need to be extended to a time-dependent analysis framework (in terms of time derivatives) when dealing with unsteady flow data. Accordingly, we present two extensions of the parallel vectors based vortex extraction criteria to the time-dependent domain and show the improvements of feature-based flow visualization in comparison to the steady versions of this extraction algorithm both in the context of a high-resolution dataset, i.e., a simulation specifically designed to evaluate our new approach, as well as for a real-world dataset from a concrete application. © 2006 IEEE.

关键词： Flow visualization

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Squeeze: Designing for playful experiences among co-located people in homes

Squeeze: Designing for playful experiences among co-located ...

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25th SIGCHI Conference on Human Factors in Computing Systems 2007, CHI 2007

作者： Petersen, Marianne Graves Department of Computer Science Center for Interactive Spaces University of Aarhus Åbogade 34 DK-8200 Århus N Denmark

ISBN: (纸本)1595936424

Squeeze is a multi-person, flexible and interactive furniture that allows for collective and playful exploration of the family history among co-located people in homes. It is designed to explore how we can use digital technology to create settings where co-located family members can collectively and actively engage in playful activities as part of their everyday lives at home. It is argued that this is for the most part an unexplored design space, which is awaiting the interest of the CHI community. Our work has both a strategic and theoretical outset. It is designed from a strategic point to open up the design space for digital domestic technology emphasizing the potential in designing for playful experiences among co-located family members. Secondly, it is designed from a theoretical perspective, namely that of designing for playfulness and aesthetics of interaction.

关键词： computer aided design

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Curricular middle management: The role of a graduate student instructor in a senior-level design course

Curricular middle management: The role of a graduate student...

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114th Annual ASEE Conference and Exposition, 2007

作者： Ringenberg, Jeffrey Soloway, Elliot Chesney, David University of Michigan United States Department of Electrical Engineering and Computer Science University of Michigan United States Department of Electrical Engineering and Computer Science School of Information University of Michigan United States University of Michigan Digital Library Center for Highly Interactive Computing in Education United States

The traditional responsibilities of a graduate student instructor (GSI) usually consist of a combination of activities meant to aid the primary instructor for the course and to reinforce the material that is being delivered in lecture. Creating and grading homework sets, supervising labs, meeting with students in discussion sessions, and grading exams are a few of the many different tasks that a GSI must undertake throughout a typical semester. However, when a GSI is involved in a team-based, senior-level design course, s/he must assume a different role and make use of a totally different set of skills in order to be an effective member of the teaching staff. © American Society for Engineering Education, 2007.

关键词： Students

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LightPeers: A Lightweight Mobile P2P Platform

LightPeers: A Lightweight Mobile P2P Platform

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IEEE Annual Conference on Pervasive Computing and Communications Workshops (PerCom)

作者： Bent Guldbjerg Christensen Center for Interactive Spaces ISIS Katrinebjerg Computer Science Department Aarhus University Denmark

This paper describes the LightPeers platform for lightweight mobile pure P2P networking, developed to support groups of pupils outside the school buildings in the field using a variety of mobile devices such as Tablet... 详细信息

关键词： Educational institutions Peer to peer computing Collaboration Mobile handsets Distributed computing Mobile computing Network servers computer networks Personal digital assistants Space technology

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A topology-independent similarity measure for high-dimensional feature spaces

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17th International Conference on Artificial Neural Networks, ICANN 2007

作者： Kerdels, Jochen Peters, Gabriele DFKI German Research Center for Artificial Intelligence Robotics Lab. Robert Hooke Str. 5 D-28359 Bremen Germany University of Dortmund Department of Computer Science Computer Graphics Otto-Hahn-Str. 16 D-44221 Dortmund Germany

ISBN: (纸本)9783540746935

In the field of computer vision feature matching in high dimensional feature spaces is a commonly used technique for object recognition. One major problem is to find an adequate similarity measure for the particular feature space, as there is usually only little knowledge about the structure of that space. As a possible solution to this problem this paper presents a method to obtain a similarity measure suitable for the task of feature matching without the need for structural information of the particular feature space. As the described similarity measure is based on the topology of the feature space and the topology is generated by a growing neural gas, no knowledge about the particular structure of the feature space is needed. In addition, the used neural gas quantizes the feature vectors and thus reduces the amount of data which has to be stored and retrieved for the purpose of object recognition. © Springer-Verlag Berlin Heidelberg 2007.

关键词： computer vision

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Advances in Discrete Tomography and Its Applications 1

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丛书名： Applied and Numerical Harmonic Analysis

2007年

作者： Gabor T. Herman Attila Kuba

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Implementing a database-driven solution for nominations and elections of faculty governance committees

Implementing a database-driven solution for nominations and ...

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114th Annual ASEE Conference and Exposition, 2007

作者： Acheson, Douglas Acheson, Lingma Indiana University Purdue University-Indianapolis United States Department of Computer Graphics Technology Purdue School of Engineering and Technology Indianapolis IN United States Computer Network Center Purdue School of Engineering and Technology Indianapolis United States School of Liberal Arts Butler University United States School of Science Purdue University Indianapolis United States

Institutions of higher education are self-governing bodies of which participating members must serve on various committees from time to time. To this end, nominations and elections of schoolwide committees are the vital link to this process of faculty governance. With each new academic year, there are numerous changes in faculty status such as new faculty being hired, tenure status, past positions being held and term limits on various committees. Depending on the complexity of each institution's governing document (which states the stipulations for each committee's required representation), making certain nominations and elections are carried out in a fair and equitable manner can prove to be a fairly daunting task. To streamline this yearly task and ensure continuity between former and current election committees, the authors of this paper developed a technology-based system which automates the nomination/election process. This paper presents an overview of this on-line, database-driven committee nomination and election system. This paper also points out several other institutions that have developed similar automated means of dealing with faculty governance logistics and presents issues that must be addressed when considering developing this type of a system. © American Society for Engineering Education, 2007.

关键词： Engineering education

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Managing an Integrated Ubicomp Environment Using Ontologies and Reasoning

Managing an Integrated Ubicomp Environment Using Ontologies ...

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IEEE Annual Conference on Pervasive Computing and Communications Workshops (PerCom)

作者： Michael Blackstock Rodger Lea Charles Krasic Computer Science Department University of British Columbia Vancouver Canada Media and Graphics Interdisciplinary Center University of British Columbia Vancouver Canada

One issue hindering the deployment of integrated ubicomp environments is the lack of a shared model for applications to utilize resources across administrative and network domains. Through the use of concrete examples, we describe our proposed common model for ubicomp environments to address this issue. We then present use cases and additional examples for how our ubicomp common model (UCM) is used by our integration framework. The ubicomp integration framework (UIF) uses an ontology driven architecture (ODA) (P. Tetlow et al., 2001) and enterprise application integration (EAI) techniques to integrate existing ubiquitous computing middleware to the common model. The use cases illustrate how the integrated model and reasoning is used to maintain a dynamic integrated model of an environment

关键词： Environmental management Pervasive computing Ontologies Middleware computer architecture Ubiquitous computing Semantic Web computer network management Resource management computer science

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Workshop Report: Information Visualization–Human-centered Issues in Visual Representation, Interaction, and Evaluation

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Information Visualization 2007年第3期6卷 189 - 196页

作者： Andreas Kerren John T. Stasko Jean-Daniel Fekete Chris North Computer Science Department School of Mathematics and Systems Engineering (MSI) Växjö University äxjö Sweden School of Interactive Computing & GVU Center Georgia Institute of Technology Atlanta GA U.S.A. INRIA Unité de Recherche Futurs Université Paris-Sud Orsay Cedex France Department of Computer Science and Center for Human–Computer Interaction Virginia Tech Blacksburg VA U.S.A.

From 28 May to 1 June 2007, a seminar on ‘Information Visualization–Human-centered Issues in Visual Representation, Interaction, and Evaluation’ took place at the International Conference and Research center for computer science, Dagstuhl Castle, Germany. One important aim of this seminar was to bring together researchers and practitioners from Information Visualization and related fields, as well as from application areas, for lively discussion and interaction. The seminar allowed critical reflection on actual research efforts, the state of field, evaluation challenges, and other important topics. This report summarizes the event.

关键词： Information visualization visualization human-centered aspects evaluation visual analytics interaction exploration human–computer interaction

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